Computer Science – Performance
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsm31b0784z&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #SM31B-0784
Computer Science
Performance
2134 Interplanetary Magnetic Fields, 2164 Solar Wind Plasma, 2776 Polar Cap Phenomena, 2784 Solar Wind/Magnetosphere Interactions
Scientific paper
The determination of sector structure of IMF ( SS IMF ) was continued on the base of data from pair of magnetic observatories Vostok - Resolute Bay. Now the SS IMF in the form of standard table for period of 1957-2000 is displayed on the http://charley.izmiran.rssi.ru/magnetism/ssimf.htm. Now the determination is performed by semiautomatic method based on previous results and new improvements. We make some modifications into the basic technique of SS IMF definition that greatly improves the performance and reliability of results. We consider our method as the most reliable data source for magnetospheric research as it already includes results of interaction of SS IMF with the Earth magnetic field. Moreover we make attempt to infer the SS IMF from data of Moscow magnetic observatory. The analysis of data for period of minimum of solar activity at 1995 confirmed that in the toward sector ( By \textless 0, Bx \textgreater 0 ) geomagnetic activity dominates in comparison with the away sector ( By \textgreater 0, Bx \textless 0 ). Usually in the toward sector we get Bz \textless 0. Large scale spatial variations and evolution of SS IMF in connection with the general development of solar activity and dynamics of the heliospheric current sheet into maximum of solar cycle 23 are discussed. We also analyze the usage prospects of our data in view of similar information obtained from ACE satellite and ground solar observatories. >http://charley.izmiran.rssi.ru/magnetism/ssimf.htm.
Boteler David H.
Coles R. L.
Odintsov V. I.
Trichtchenko L. N.
Zaitzev A. N.
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